Fire Control Housing

ABSTRACT

In some embodiments, a fire control housing comprises a frame defining a cavity. The frame comprises a floor, a first sidewall and an opposed second sidewall. The first sidewall defines a first window. A trigger assembly comprises a hammer and a finger trigger. The finger trigger extends through the floor of the frame.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the benefit of U.S. Patent Application No.62/105,169, filed Jan. 19, 2015, the entire content of which is herebyincorporated herein by reference.

BACKGROUND OF THE INVENTION

This invention relates to a housing for a fire control system such as atrigger mechanism for a firearm. In some embodiments, the inventionrelates to a trigger training device.

Firearms such as the AR-15 are well known in the art. A firearmgenerally includes a fire control system, such as a trigger group.Different triggers are available for firearms, and the specifics of thetrigger can change the performance of the firearm.

Competent shooters become familiar with the feel of their trigger, whichcan result after firing the firearm many times. Developing a feel for atrigger can be costly, for example requiring trips to a firing range anda good deal of ammunition.

There remains a need for a device capable of displaying a trigger deviceas the trigger device operates. There remains a need for a devicecapable of providing for trigger feel without the costs associated withfiring a firearm.

All US patents and applications and all other published documentsmentioned anywhere in this application are incorporated herein byreference in their entirety.

A brief abstract of the technical disclosure in the specification isprovided as well only for the purposes of complying with 37 C.F.R. 1.72.The abstract is not intended to be used for interpreting the scope ofthe claims.

BRIEF SUMMARY OF THE INVENTION

In some embodiments, a fire control housing comprises a frame defining acavity. The frame comprises a floor, a first sidewall and an opposedsecond sidewall. The first sidewall defines a first window. A triggerassembly comprises a hammer and a finger trigger. The finger triggerextends through the floor of the frame.

In some embodiments, the frame comprises a second sidewall that definesa second window. In some embodiments, the second window has the sameshape as the first window.

In some embodiments, a firearm trigger training device consists of atrigger assembly, a grip and a frame. The trigger assembly is containedin the frame. The frame comprises a first sidewall having a firstwindow, and the trigger assembly is visible through the window.

These and other embodiments which characterize the invention are pointedout with particularity in the claims annexed hereto and forming a parthereof. However, for a better understanding of the invention, itsadvantages and objectives obtained by its use, reference can be made tothe drawings which form a further part hereof and the accompanyingdescriptive matter, in which there are illustrated and described variousembodiments of the invention.

BRIEF DESCRIPTION OF THE DRAWINGS

A detailed description of the invention is hereafter described withspecific reference being made to the drawings.

FIG. 1 shows an embodiment of a trigger housing device.

FIGS. 2 and 3 show an embodiment of a frame.

FIGS. 4-6 show an embodiment of a trigger housing device.

DETAILED DESCRIPTION OF THE INVENTION

While this invention may be embodied in many different forms, there aredescribed in detail herein specific embodiments of the invention. Thisdescription is an exemplification of the principles of the invention andis not intended to limit the invention to the particular embodimentsillustrated.

For the purposes of this disclosure, like reference numerals in thefigures shall refer to like features unless otherwise indicated.

FIG. 1 shows an embodiment of a trigger housing device 10. In someembodiments, the trigger housing device 10 comprises a frame 20, atrigger group 16 and a grip 14. Desirably, the frame 20 is constructedand arranged to support the trigger group 16. Desirably, the triggergroup 16 can be cocked and fired by a user.

In some embodiments, the trigger housing device 10 provides thestructure necessary to support the trigger group 16 and allow thetrigger to be cocked and fired, but does not provide other elements thatcommonly embody a firearm. For example, in some embodiments, triggerhousing device 10 does not comprise a firing pin, a barrel, a cartridgechamber, an upper receiver, a magazine, etc.

In some embodiments, a trigger housing device 10 consists of a frame 20,a grip 14 and a trigger group 16.

FIGS. 2 and 3 show an embodiment of a frame 20. Desirably, the frame 20defines a cavity 22 that is suitable for receiving at least a portion ofa trigger group.

In some embodiments, the cavity 22 is at least partially defined by afloor 24. In some embodiments, the floor defines an aperture 25. In someembodiments, a finger trigger of a trigger group will extend through theaperture 25.

In some embodiments, the cavity 22 is at least partially defined by afront wall 26. In some embodiments, a hammer of a trigger group willcontact the front wall 26, for example after actuation of the triggergroup. In some embodiments, a bumper 32 is positioned between the frontwall 26 and the hammer, for example to absorb force applied by thehammer. In some embodiments, a bumper 32 comprises an elastomericmaterial, such as rubber or an elastomer. In some embodiments, the frontwall 26 comprises an aperture 27, and a portion of the bumper 32 isoriented in the aperture 27.

In some embodiments, the cavity 22 is at least partially defined by afirst sidewall 34 and a second sidewall 44. In some embodiments, thefirst sidewall 34 and second sidewall 44 are positioned on oppositesides of the frame 20. In some embodiments, the first sidewall 34 andsecond sidewall 44 comprise mirror images of one another.

In some embodiments, each sidewall 34, 44 defines a first aperture 35,45. In some embodiments, the first apertures 35, 45 will receive ahammer pin and thus define a hammer pivot axis. In some embodiments,each sidewall 34, 44 defines a second aperture 37, 47. In someembodiments, the second apertures 37, 47 will receive a trigger pin andthus define a trigger pivot axis. In some embodiments, each sidewall 34,44 defines a third aperture 38, 48. In some embodiments, the thirdapertures 38, 48 will receive a safety mechanism portion of a triggergroup.

In some embodiments, each sidewall 34, 44 defines a window 30, 40.Desirably, a window 30, 40 comprises an opening in the respectivesidewall 34, 44. Desirably, the windows 30, 40 allow the components ofan installed trigger group to be visible. In some embodiments, a window30, 40 occupies a horizontal distance that is greater than a horizontaldistance between the first aperture 35 and second aperture 37. In someembodiments, a window 30, 40 occupies a horizontal distance that isgreater than twice a horizontal distance between the first aperture 35and second aperture 37. In some embodiments, a window 30, 40 occupies ahorizontal distance that is greater than a horizontal distance betweenthe first aperture 35 and the third aperture 38. In some embodiments, awindow 30, 40 occupies a horizontal distance that is greater than half alength of the frame 20. In some embodiments, a window 30, 40 occupies avertical distance that is greater than a vertical distance between thefirst aperture 35 and second aperture 37. In some embodiments, a window30, 40 occupies a vertical distance that is greater than four times avertical distance between the first aperture 35 and second aperture 37.In some embodiments, a window 30, 40 occupies a vertical distance thatis up to 80% of a vertical distance between the floor 24 and a topsurface of the frame 20.

In some embodiments, a length of a window 30, 40 occupies at least 50%of a length of the frame 20. In some embodiments, a height of a window30, 40 occupies at least 60% of a height of the frame 20 between thefloor 24 and a top surface of the frame 20.

In some embodiments, a window 30, 40 occupies at least 50% of an area ofthe sidewall 34, 44.

In some embodiments, an upper surface 50 of the frame 20 comprises anaperture 51. In some embodiments, an upper surface 50 of the frame 20 isdefined by upper surfaces of the sidewalls that define the cavity 22. Insome embodiments, a hammer of a trigger group can extend through theaperture 51 or open top surface of the frame 20.

In some embodiments, the frame 20 comprises a lanyard attachmentlocation 12. In some embodiments, a lanyard attachment location 12comprises an aperture.

FIGS. 4-6 each show an embodiment of a trigger housing device 10 with agrip 14 and trigger group 16 installed. In some embodiments, a triggergroup 16 comprises any suitable trigger mechanism. In some embodiments,a trigger group 16 comprises a trigger group constructed and arrangedfor use in an AR lower receiver. In some embodiments, a trigger group 16comprises components as described in U.S. Pat. No. 8,572,880, USPublication No. 2014-0068989 and/or U.S. patent application Ser. No.14/226576, the entire disclosures of which are hereby incorporatedherein by reference.

FIGS. 4-6 show a hammer 60 supported by a hammer pin 61, wherein thehammer pin 61 and a finger trigger 62 supported by a trigger pin 63. Asafety 64 can be moved between safe and fire orientations. The triggergroup 16 is functional. The hammer 60 can be cocked, and will releaseupon actuation of the finger trigger 62.

The above disclosure is intended to be illustrative and not exhaustive.This description will suggest many variations and alternatives to one ofordinary skill in this field of art. All these alternatives andvariations are intended to be included within the scope of the claimswhere the term “comprising” means “including, but not limited to.” Thosefamiliar with the art may recognize other equivalents to the specificembodiments described herein which equivalents are also intended to beencompassed by the claims.

Further, the particular features presented in the dependent claims canbe combined with each other in other manners within the scope of theinvention such that the invention should be recognized as alsospecifically directed to other embodiments having any other possiblecombination of the features of the dependent claims. For instance, forpurposes of claim publication, any dependent claim which follows shouldbe taken as alternatively written in a multiple dependent form from allprior claims which possess all antecedents referenced in such dependentclaim if such multiple dependent format is an accepted format within thejurisdiction (e.g. each claim depending directly from claim 1 should bealternatively taken as depending from all previous claims). Injurisdictions where multiple dependent claim formats are restricted, thefollowing dependent claims should each be also taken as alternativelywritten in each singly dependent claim format which creates a dependencyfrom a prior antecedent-possessing claim other than the specific claimlisted in such dependent claim below.

This completes the description of the preferred and alternateembodiments of the invention. Those skilled in the art may recognizeother equivalents to the specific embodiment described herein whichequivalents are intended to be encompassed by the claims attachedhereto.

1. A fire control housing comprising: a frame defining a cavity, theframe comprising a floor, a first sidewall and an opposed secondsidewall, the first sidewall defining a first window; a trigger assemblycomprising a hammer and a finger trigger, the finger trigger extendingthrough the floor of the frame.
 2. The fire control housing of claim 1,the second sidewall defining a second window.
 3. The fire controlhousing of claim 2, the first window and the second window having asimilar shape.
 4. The fire control housing of claim 1, the first windowhaving a length that is at least half of a length of the frame.
 5. Thefire control housing of claim 1, the frame comprising an upper surfacehaving an aperture, the hammer extending through the aperture.
 6. Thefire control housing of claim 1, the hammer supported by a hammer pin,the hammer pin supported by the first sidewall and the second sidewall.7. The fire control housing of claim 6, the finger trigger supported bya trigger pin, the trigger pin supported by the first sidewall and thesecond sidewall.
 8. The fire control housing of claim 1, the firstwindow occupying at least 50% of an area of the first sidewall.
 9. Afirearm trigger training device consisting of: a trigger assembly; agrip; and a frame, the trigger assembly contained in the frame, theframe comprising a first sidewall having a first window, the triggerassembly visible through the window.
 10. The firearm trigger trainingdevice of claim 9, the frame comprising a second sidewall having asecond window.
 11. The firearm trigger training device of claim 10, thefirst window and the second window having a similar shape.
 12. Thefirearm trigger training device of claim 9, the trigger assemblycomprising a hammer that extends outside of the frame.
 13. The firearmtrigger training device of claim 9, the trigger assembly comprising ahammer pin supported by the first sidewall and a second sidewall of theframe.
 14. The firearm trigger training device of claim 13, the triggerassembly comprising a trigger pin supported by the first sidewall andthe second sidewall.
 15. The firearm trigger training device of claim 9,the first window having a length that is at least half of a length ofthe frame.
 16. The firearm trigger training device of claim 9, the firstwindow occupying at least 50% of an area of the first sidewall.